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Precise forging process should pay attention to
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Forging process should pay attention to the place:
The forging process involves cutting the material into the desired dimensions, heating, forging, heat treatment, cleaning and inspection. In a small artificial forging, all these operations by a number of forging workers to get started and start in a small place. They are exposed to the same harmful environmental and occupational hazards; in large forging workshop, the harm varies with the workplace.
Although the working conditions vary from forging, they share some common characteristics: moderate intensity of physical labor, dry and hot microclimate, noise and vibration, and air pollution by smoke.
Workers are also exposed to high temperature air and heat radiation, resulting in the accumulation of heat in the body, calories with metabolic heat, will cause thermal imbalance and pathological changes. The amount of sweat for 8 hours of work will vary from 1.5 to 5 liters, or even higher, depending on the small gas environment, physical exertion, and degree of thermal adaptation. In the smaller forging plant or away from the heat source, Beihashi two heat stress index is usually 55 ~ 95; but in large forging workshop, near the furnace or hammer down the working point may be as high as 150 ~ 190. Easily lead to lack of salt and heat cramps. In the cold season, exposure to changes in microclimate may contribute to its adaptability to some extent, but rapid and frequent changes may pose a health hazard.
Air Pollution: Air may contain soot, carbon monoxide, carbon dioxide, sulfur dioxide, or acrolein in the air, depending on the type of furnace fuel and impurities contained, as well as combustion efficiency, airflow and ventilation.
Noise and vibration: The forging hammer will inevitably produce low frequency noise and vibration, but may also have a certain high-frequency components, the sound pressure level between 95 to 115 decibels. Workers exposed to forging vibrations can cause temperamental and functional imbalances that reduce work ability and affect safety.